Pope Nicholas III, born Giovanni Gaetano Orsini, was head of the Catholic Church and ruler of the Papal States from 25 November 1277 to his death on 22 August 1280.
- Occupation
- Catholic priest, Catholic bishop
- Position held
- Pope, Archpriest of St. Peter's Basilica, Vatican City
- Citizenship
- Papal States
- Born
- 1215
- Died
- August 22, 1280